/Engine/Source/Runtime/Engine/Public/WorldCollision.h
This saves request information by main thread and result will be filled up by worker thread
struct FTraceDatum : public [FBaseTraceDatum](API\Runtime\Engine\FBaseTraceDatum)
FTraceDelegate
Delegate
Delegate to be set if you want Delegate to be called when the output is available.
FVector
End
TArray< struct ...
OutHits
Output of the overlap request. Filled up by worker thread
FQuat
Rot
FVector
Start
Input of the trace/sweep request.
EAsyncTraceType
TraceType
Whether to do test, single or multi test